7887673 has 4 divisors (see below), whose sum is σ = 7895668. Its totient is φ = 7879680.

The previous prime is 7887661. The next prime is 7887707. The reversal of 7887673 is 3767887.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6110784 + 1776889 = 2472^2 + 1333^2 .

It is a cyclic number.

It is not a de Polignac number, because 7887673 - 2⁹ = 7887161 is a prime.

It is the 2809-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7887653) by changing a digit.

It is a nontrivial repunit in base 2808.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2268 + ... + 4573.

It is an arithmetic number, because the mean of its divisors is an integer number (1973917).

Almost surely, 2^7887673 is an apocalyptic number.

It is an amenable number.

7887673 is a deficient number, since it is larger than the sum of its proper divisors (7995).

7887673 is a wasteful number, since it uses less digits than its factorization.

7887673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7994.

The product of its digits is 395136, while the sum is 46.

The square root of 7887673 is about 2808.5001335232. The cubic root of 7887673 is about 199.0595261433.

The spelling of 7887673 in words is "seven million, eight hundred eighty-seven thousand, six hundred seventy-three".